File: CompletionHelper.hpp

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#ifndef COMPLETIONHELPER_HPP
#define COMPLETIONHELPER_HPP

#include "CxxTokenizer.h"
#include "codelite_exports.h"
#include "entry.h"
#include "istorage.h"

#include <functional>
#include <vector>
#include <wx/filename.h>
#include <wx/string.h>

class WXDLLIMPEXP_CL CompletionHelper
{
public:
    enum eSplitFlags {
        STRIP_DEFAULT = 0,
        STRIP_NO_DEFAULT_VALUES = (1 << 0), // do not include the default value
        STRIP_NO_NAME = (1 << 1),           // do not include the function argument name
    };

    enum eTruncateStyle {
        TRUNCATE_EXACT_POS = (1 << 0),
        TRUNCATE_COMPLETE_WORDS = (1 << 1),
        TRUNCATE_COMPLETE_LINES = (1 << 2),
    };

public:
    CompletionHelper();
    ~CompletionHelper();

    /**
     * @brief normalize function signature by removing from its signature all
     * default values and removing the arguments name (both is configurable via `flags`)
     */
    wxString normalize_function(TagEntryPtr tag, size_t flags = CompletionHelper::STRIP_NO_DEFAULT_VALUES |
                                                                CompletionHelper::STRIP_NO_NAME);
    /**
     * @brief same as above
     */
    wxString normalize_function(const TagEntry* tag, size_t flags = CompletionHelper::STRIP_NO_DEFAULT_VALUES |
                                                                    CompletionHelper::STRIP_NO_NAME);
    wxString get_expression(const wxString& file_content, bool for_calltip, wxString* last_word = nullptr) const;
    wxString truncate_file_to_location(const wxString& file_content, size_t line, size_t column, size_t flags) const;
    std::vector<wxString> split_function_signature(const wxString& signature, wxString* return_value,
                                                   size_t flags = CompletionHelper::STRIP_DEFAULT) const;
    static bool is_cxx_keyword(const wxString& word);

    /**
     * @brief return list of keywords
     */
    void get_cxx_keywords(std::vector<wxString>& keywords);

    /**
     * @brief format a tag comment
     * @param tag the tag which owns the comment
     * @param input_comment raw comment
     * @return formatted comment
     */
    wxString format_comment(TagEntryPtr tag, const wxString& input_comment) const;
    /**
     * @brief same as the above, but accepts raw pointer
     */
    wxString format_comment(TagEntry* tag, const wxString& input_comment) const;

    /**
     * @brief go backward and check if the caret line is an include statement
     * @param file_content the current file. The caret is assumed at the end of the string
     * @param file_name [output]
     * @param suffix [output] does the completion entry should end with '>' or with '"'?
     */
    bool is_include_statement(const wxString& file_content, wxString* file_name, wxString* suffix) const;
    /**
     * @brief Similar to the above, but for the current line check if the current line matches an include statement
     */
    bool is_line_include_statement(const wxString& line, wxString* file_name, wxString* suffix) const;
};

#endif // COMPLETIONHELPER_HPP